User Manual - Page 305

For 2019 VOLVO XC90.

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DRIVER SUPPORT
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* Option/accessory.
303
Adaptive Cruise Control*
Adaptive Cruise Control (ACC
38
) helps the
driver maintain a constant speed with a set time
interval to the vehicle ahead.
Adaptive Cruise Control helps provide a more
relaxed driving experience on long trips on high-
ways or long, straight roads with even traffic
flows.
The camera/radar sensor measures the distance to the
vehicle ahead
39
.
The driver sets a speed and a time interval to the
vehicle ahead. If the camera/radar sensor detects
a slower-moving vehicle ahead, your vehicle's
speed will be automatically adapted according to
the set time interval to that vehicle. When there
are no longer slower-moving vehicles ahead, the
vehicle will return to the set speed.
WARNING
•
The Adaptive Cruise Control function is
supplementary driver support intended to
facilitate driving and help make it safer –
it cannot handle all situations in all traffic,
weather and road conditions.
•
The driver is advised to read all sections
in the Owner's Manual about this function
to learn of its limitations, which the driver
must be aware of before using the func-
tion (see the link list at the end of this
article).
•
Adaptive Cruise Control is not a substi-
tute for the driver's attention and judg-
ment. The driver is always responsible for
ensuring the vehicle is driven in a safe
manner, at the appropriate speed, with an
appropriate distance to other vehicles,
and in accordance with current traffic
rules and regulations.
NOTE
Depending on market, this function may be
either Standard or Optional.
Adaptive Cruise Control regulates speed by
accelerating and braking. It is normal for the
brakes to emit a slight sound when they are
being used to adjust speed.
Adaptive Cruise Control always attempts to regu-
late speed smoothly. The driver must apply the
brakes in situations requiring immediate braking.
For example, when there are great differences in
speed between vehicles or if the vehicle ahead
brakes suddenly. Due to limitations in the radar
sensor, braking may occur unexpectedly or not at
all.
Adaptive Cruise Control is designed to follow a
vehicle ahead in the same lane and maintain a
time interval to that vehicle set by the driver. If the
radar sensor does not detect a vehicle ahead, it
will instead maintain the speed set by the driver.
This will also happen if the speed of the vehicle
ahead exceeds the set speed for your vehicle.
•
Adaptive Cruise Control can follow another
vehicle at speeds from a standstill up to
200 km/h (125 mph).
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Adaptive Cruise Control
39
Note: This illustration is general and details may vary depending on model.
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